10) is the main and last colliery company of Charbonnages du Gouffre.

It is located at Châtelet Belgium, Walloon Region in the province of Hainaut.

10 has been opened by Société des Charbonnages du Gouffre in 1916.

Some dead sheep bodies have been put on the site, after the Eid al-Adha festivities.

[4] In the early twenty-first century, there are still ruins known for the practice of urbex.